{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "engineering feature", "process characterization", "application", "manufacturing process", "process parameter"], "input": "Firstly , an image acquisition system was developed to simultaneously collect weld images , which can provide more information of the real-time weld images from different angles including top front , top back and back seam ."}
{"concept or principle": ["image", "images"], "engineering feature": ["weld"], "process characterization": [], "application": [], "manufacturing process": ["seam"], "process parameter": []}